FSSA Review Quiz #3: Properties of Matter & P/C Changes

Which physical property could best be used to separate a mixture of baking powder and iron filings?

• density

• electrical conductivity

• magnetism

• melting point

Kiara pours measures the mass and volume of four mystery liquids and pours them into a beaker. The liquids separate into different layers. According to Kiara’s data above, which liquid would make up the bottom layer of the beaker? HINT: density = mass / volume

• Blue

• Clear

• Red

• Yellow

Pedro threw a penny into a fountain and it sank to the bottom. Which of the following would explain why the penny sinks?

• The mass of the penny is more than the mass of the water.

• The density of the penny is more than the density of the water.

• The volume of the penny is more than the volume of the water.

• The temperature of the penny is more than the temperature of the water.

Which of the following best describes how chemical changes differ from physical changes?

• Physical changes do not produce new substances and chemical changes do.

• Physical changes always involve the formation of a gas while chemical changes may not.

• Physical changes can occur inside or outside the substance; chemical changes always occur outside.

• Physical changes involve a change of state; chemical changes involve a change of shape.

Which of the following would cause only a chemical change with a sugar cube?

• Crushing the sugar cube

• Digesting the sugar cube

• Freezing the sugar cube

• Dissolving the sugar cube in water

Marco accidently broke a crayon while coloring. Which of the following best compares the broken crayon to the original crayon?

• The total mass of the broken crayon pieces are the same as the original crayon.

• The crayon went through a chemical change since there are more pieces of crayon.

• The crayon went through a chemical change because the shape of the crayon changed.

• The density of the pieces of crayon has decreased since the crayon is now in smaller pieces.